Summary

Report generated by DeltaWave: http://deltaw.org

16/10/2021 17:00:36

Table 1. Results Summary
Result
Performing raw processing only -- all matching turned off
DeltaWave v2.0.1, 2021-10-16T16:57:05.2840994+07:00
Reference: master_16_24_pad.wav[?] 10704384 samples 48000Hz 16bits, stereo, MD5=00
Comparison: OEAudio_OTG_C-C_USB20_12cm.wav[?] 10704384 samples 48000Hz 16bits, stereo, MD5=00
Settings:
Gain:True, Remove DC:True
Non-linear Gain EQ:False Non-linear Phase EQ: False
EQ FFT Size:65536, EQ Frequency Cut: 0Hz - 0Hz, EQ Threshold: -500dB
Correct Non-linearity: False
Correct Drift:True, Precision:30, Subsample Align:True
Non-Linear drift Correction:False
Upsample:False, Window:Kaiser
Spectrum Window:Kaiser, Spectrum Size:32768
Spectrogram Window:Hann, Spectrogram Size:4096, Spectrogram Steps:2048
Filter Type:FIR, window:Kaiser, taps:262144, minimum phase=False
Dither:False
Trim Silence:False
Enable Simple Waveform Measurement: True
Discarding Reference: Start=0s, End=0s
Discarding Comparison: Start=0s, End=0s
Initial peak values Reference: -0.689dB Comparison: -0.689dB
Initial RMS values Reference: -15.416dB Comparison: -15.416dB
Null Depth=300dB
Trimmed 0 samples ( 0.00ms) front, 0 samples ( 0.00ms end)
Gain matching disabled.
Phase offset=0ms (0 samples)
Difference (rms) = -400dB [-400dBA]
Correlated Null Depth=300dB [300dBA]
Clock drift: 0 ppm
Files are a bit-perfect match at 16 bits
---- Phase difference (full bandwidth): 0°
0-10kHz: 0.00°
0-20kHz: 0.00°
0-24kHz: 0.00°
Timing error (rms jitter): 0sec
PK Metric (step=400ms, overlap=50%):
RMS=-∞dBFS
Median=-∞
Max=-∞
99%: -∞
75%: -∞
50%: -∞
25%: -∞
1%: -∞
gn=1, dc=0, dr=0, of=0
---Measurements (for a simple sine-wave only)---
Comparison DR = 0dB
RMS of the difference of spectra: NaNdB
DF Metric (step=400ms, overlap=0%):
Median=-300dB
Max=-154.8dB Min=-300dB
1% > -300.0dB
10% > -300.0dB
25% > -300.0dB
50% > -300.0dB
75% > -300.0dB
90% > -159.55dB
99% > -154.77dB
Linearity 32.0bits @ 0.5dB error
Comparison THD+N = 0dB
Comparison THD = 0dB
DONE!
Signature: 82c369a400bdf6142e8e1914b9f7e5e4

Plots

0 21 42 1:03 1:23 1:44 2:05 2:26 2:47 3:08 -6.0206dB -∞ -6.0206dB Raw Waveforms

Fig 1. Original Waveforms

0 21 42 1:03 1:23 1:44 2:05 2:26 2:47 3:08 -6.0206dB -∞ -6.0206dB Aligned Waveforms

Fig 2. Aligned Waveforms

1.5k 2.9k 4.4k 5.9k 7.3k 8.8k 10.3k 11.7k 13.2k 14.6k 16.1k 17.6k 19.0k 20.5k 22.0k 23.4k -120dB -100dB -80dB -60dB -40dB THD: 0dB THD+N: 0dB H1(0:0Hz): 0dBdB Aligned Spectrum

Fig 3. Aligned Spectrum

1.5k 2.9k 4.4k 5.9k 7.3k 8.8k 10.3k 11.7k 13.2k 14.6k 16.1k 17.6k 19.0k 20.5k 22.0k 23.4k -400.4dB -400.2dB -400dB -399.8dB -399.6dB Spectrum of Delta

Fig 4. Delta Spectrum

0 21 42 1:03 1:23 1:44 2:05 2:26 2:47 3:08 -7.959dB -13.979dB -∞ -13.979dB -7.959dB Delta Waveform

Fig 5. Delta Waveform

0 1.5k 2.9k 4.4k 5.9k 7.3k 8.8k 10.3k 11.7k 13.2k 14.6k 16.1k 17.6k 19.0k 20.5k 22.0k 23.4k -0.4° -0.2° 0.2° 0.4° Delta Phase Phase delta Group Delay

Fig 6. Delta Phase

0 22 44 1:05 1:27 1:49 2:11 2:32 2:54 3:16 3:38 5.9k 11.7k 17.6k 23.4k Delta Spectrogram

Fig 7. Delta Spectrogram